Home / 10,071.94-13,895.40-7,425.64

Finding the Fourth Proportional to 10,071.94, 13,895.40 and 7,425.64

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Solution

The fourth proportional to 10,071.94, 13,895.40 and 7,425.64 is: 10,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.94 : 13,895.40 = 7,425.64 : x
  2. Step 2: Convert to fraction form
    10,071.94/13,895.40 = 7,425.64/x
  3. Step 3: Cross multiply
    10,071.94x = 13,895.40 × 7,425.64
  4. Step 4: Simplify right side
    10,071.94x = 103,182,238.06
  5. Step 5: Solve for x
    x = 103,182,238.06/10,071.94
  6. Step 6: Final answer
    x = 10,244.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.